diff --git a/ValaBinCommonRules.cmake b/ValaBinCommonRules.cmake
index 5770120..2a213b3 100644
--- a/ValaBinCommonRules.cmake
+++ b/ValaBinCommonRules.cmake
@@ -7,7 +7,7 @@ SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/run") # Avoid of "dll n
 
 VALA_PRECOMPILE (VALA_C ${BinSources}
                  PACKAGES ${BinPackages}
-                 OPTIONS ${BinValaOpts} --thread ${VALA_DEBUG}
+                 OPTIONS ${BinValaOpts} ${VALA_DEBUG}
                  CUSTOM_VAPIS ${BinCustomVapis}
                  GENERATE_VAPI
                  GENERATE_HEADER
diff --git a/ValaLibCommonRules.cmake b/ValaLibCommonRules.cmake
index 9baaa9b..b34ba2b 100644
--- a/ValaLibCommonRules.cmake
+++ b/ValaLibCommonRules.cmake
@@ -17,7 +17,7 @@ ENDIF (WIN32)
 
 VALA_PRECOMPILE (VALA_C ${LibSources}
                  PACKAGES ${LibPackages}
-                 OPTIONS --thread ${LibValaOpts} ${VALA_DEBUG} ${export_vaapi}
+                 OPTIONS ${LibValaOpts} ${VALA_DEBUG} ${export_vaapi}
                  CUSTOM_VAPIS ${LibCustomVapis}
                  GENERATE_VAPI
                  GENERATE_HEADER ${generate_header}